Holder for a rack



FIG. 1 is a perspective view of a holder for a rack, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a cross sectional perspective view thereof along line 7-7 in FIG. 2;

FIG. 8 is another cross sectional perspective view thereof along line 8-8 in FIG. 2; and,

FIG. 9 is a perspective view showing an embodiment of the claimed design, wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a holder for a rack, as shown and described. 